Principal Software Architect — Lead Modernization & Delivery

One Call; Oklahoma City (OK); Remote; USD 110,000 - 160,000; Full time

Benefits offered by this job

Remote work

Generous time off

Comprehensive benefits

Colleague Assistance Program

One Call Foundation

Job summary

One Call seeks a Senior/Principal Software Engineer to provide architectural depth and hands-on leadership in a complex, legacy-heavy environment that is actively modernizing.

You will guide engineers, drive decisions, and deliver high-quality software across mission-critical applications using .NET, C#, VB.NET, and modern front-end stacks. This is a high‑influence, non-management role performed from a home office.

Qualifications

• 10+ years building enterprise .NET applications in C# (.NET Framework + .NET Core).
• Experience modernizing large legacy .NET codebases (service extraction, modularization, domain consolidation).
• Familiarity with Azure cloud services, logging, monitoring, and observability patterns.
• Experience in healthcare, workers' compensation, claims processing, or regulated industries.
• Experience with distributed queues, messaging patterns, event-driven architecture.

Responsibilities

• Own and drive architecture and design discussions across multiple applications and services.
• Provide pragmatic, hands-on guidance to teams working across .NET, SQL, and mixed front-end stacks.
• Evaluate legacy architectures and propose modernization patterns (service boundaries, APIs, refactors, consolidation).
• Facilitate technical decision-making with crisp rationales, tradeoff analysis, and clear documentation.
• Champion engineering excellence: code quality, testing, CI/CD maturity, observability, and maintainability.

Skills

VB.NET

C#

.NET Framework

ASP.NET MVC

Web API

SQL Server

JavaScript/TypeScript

Azure DevOps

PowerShell

WCF/WinForms/Web Forms

Tools

Azure DevOps

Job description

One Call seeks a Senior/Principal Software Engineer to provide architectural depth and hands-on leadership in a complex, legacy-heavy environment that is actively modernizing.

You will guide engineers, drive decisions, and deliver high-quality software across mission-critical applications using .NET, C#, VB.NET, and modern front-end stacks. This is a high‑influence, non-management role performed from a home office.